Planteome: Term Details for "radial spoke" (GO:0001534)

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Term Information

Accession: GO:0001534
Name: radial spoke
Ontology: cellular_component
Synonyms: None
Alternate IDs: None
Definition: Protein complex that links the outer microtubule doublet of a 9+2 type ciliary or flagellar axoneme with the sheath that surrounds the central pair of microtubules. Composed of a stalk that attaches to each doublet microtubule and a globular structure (spoke head) that projects toward the central pair of microtubules. Source: PMID:9450971, GOC:krc, PMID:22118931, ISBN:0124325653, PMID:34871179, PMID:25694453
Comment: Radial spokes are involved in some types of beating motions of the cilium. The radial spoke is usually a T-shaped structure comprised of a short base that attaches to the A-microtubule of an axonemal outer microtubule doublet (MTD) of a cilium, an elongated stalk, a neck complex, and an orthogonal head structure that extends perpendicularly towards the inner sheath and the central pair (CP) microtubules. Groups of radial spokes (RSs) repeat along the MTD with regular spacing. In most organisms, each group of radial spokes is comprised of a triplet of spokes: RS1, RS2, and RS3. In some organisms (e.g. Chlamydomonas and Sarcophaga bullata), each group contains a doublet of radial spokes: RS1 and RS2, while RS3 is represented only as a stump (referred to as RS3S) attached to the A-microtubule but lacking the rest of the stalk structure and entirely lacking the head structure.
History: See term history for GO:0001534 at QuickGO
Subset: goslim_pir
Related: Link to all annotated objects annotated to radial spoke.; Link to all direct and indirect annotations to radial spoke.; Link to all direct and indirect annotations download (limited to first 10,000) for radial spoke.
Feedback: Comments, changes to terms, or requests for new ontology terms can be made at GO issue tracker on GitHub.

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GO:0110165 cellular anatomical entity
GO:0005622 intracellular anatomical structure
GO:0042995 cell projection
GO:0005737 cytoplasm
GO:0043226 organelle
GO:0099568 cytoplasmic region
GO:0043229 intracellular organelle
GO:0043227 membrane-bounded organelle
GO:0043228 non-membrane-bounded organelle
GO:0120025 plasma membrane bounded cell projection
GO:0005575 cellular_component
GO:0005929 cilium
GO:0043232 intracellular non-membrane-bounded organelle
GO:0032838 plasma membrane bounded cell projection cytoplasm
GO:0097014 ciliary plasm
GO:0005856 cytoskeleton
GO:0005930 axoneme
GO:0032991 protein-containing complex
GO:0001534 radial spoke
GO:0120333 radial spoke 1
GO:0120334 radial spoke 2
GO:0120335 radial spoke 3
GO:0120339 radial spoke base
GO:0001535 radial spoke head
GO:0120343 radial spoke neck
GO:0001536 radial spoke stalk

Parents of radial spoke (GO:0001534)

subject	relation	object
radial spoke	is_a	protein-containing complex (GO:0032991)
radial spoke	BFO:0000050	axoneme (GO:0005930)

Children of radial spoke (GO:0001534)

subject	relation	object
radial spoke neck (GO:0120343)	BFO:0000050	radial spoke
kinocilium (GO:0060091)	BFO:0000051	radial spoke
radial spoke base (GO:0120339)	BFO:0000050	radial spoke
radial spoke stalk (GO:0001536)	BFO:0000050	radial spoke
radial spoke 3 (GO:0120335)	is_a	radial spoke
9+2 motile cilium (GO:0097729)	BFO:0000051	radial spoke
radial spoke 2 (GO:0120334)	is_a	radial spoke
radial spoke head (GO:0001535)	BFO:0000050	radial spoke
radial spoke 1 (GO:0120333)	is_a	radial spoke

Wikipedia: Radial_spoke